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the ideal mechanical advantage of a machine refle...
Physics, 23.01.2020 18:31 JKJKJKJKGFGH7470
Plz me 4 mins left 50 points and brainleist
the ideal mechanical advantage of a machine reflects the increase or decrease in force there world be without friction, it is always greater than the actual mechanical advantage because all machines must overcome friction.
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What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?
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The protons in a nucleus are approximately 2 โ 10^โ15 m apart. consider the case where the protons are a distance d = 1.93 โ 10^โ15 m apart. calculate the magnitude of the electric force (in n) between two protons at this distance.
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Materials will have different energies associated with the electrons inside them. this is related to how strongly bound they are by their work function. if we sandwich a material with a very low energy between two materials with a high energy, we create a trap for an electron. if this trap is very narrow in one direction in comparison to the others, this is approximately a 1-dimensional box that confines the electron. what is the lowest energy of an electron in the box if the thinnest direction across the materials is 4.81 nm?
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